/*

  * Blackmagic DeckLink input

  * Copyright (c) 2014 Deti Fliegl
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavformat/avformat.h"
 #include "libavutil/opt.h"
 
 #include "decklink_common_c.h"
 #include "decklink_dec.h"
 
 #define OFFSET(x) offsetof(struct decklink_cctx, x)
 #define DEC AV_OPT_FLAG_DECODING_PARAM
 
 static const AVOption options[] = {
     { "list_devices", "list available devices"  , OFFSET(list_devices), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, DEC },
     { "list_formats", "list supported formats"  , OFFSET(list_formats), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, DEC },

     { "bm_v210",      "v210 10 bit per channel" , OFFSET(v210),         AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, DEC },

     { "teletext_lines", "teletext lines bitmask", OFFSET(teletext_lines), AV_OPT_TYPE_INT64, { .i64 = 0   }, 0, 0x7ffffffffLL, DEC, "teletext_lines"},
     { "standard",     NULL,                                           0,  AV_OPT_TYPE_CONST, { .i64 = 0x7fff9fffeLL}, 0, 0,    DEC, "teletext_lines"},
     { "all",          NULL,                                           0,  AV_OPT_TYPE_CONST, { .i64 = 0x7ffffffffLL}, 0, 0,    DEC, "teletext_lines"},

     { "channels",     "number of audio channels", OFFSET(audio_channels), AV_OPT_TYPE_INT , { .i64 = 2   }, 2, 16, DEC },

     { "duplex_mode",  "duplex mode",              OFFSET(duplex_mode),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 2,    DEC, "duplex_mode"},
     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "duplex_mode"},
     { "half",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "duplex_mode"},
     { "full",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "duplex_mode"},

     { "video_input",  "video input",              OFFSET(video_input),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 6,    DEC, "video_input"},
     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "video_input"},
     { "sdi",           NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "video_input"},
     { "hdmi",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "video_input"},
     { "optical_sdi",   NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0,    DEC, "video_input"},
     { "component",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0,    DEC, "video_input"},
     { "composite",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0,    DEC, "video_input"},
     { "s_video",       NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0,    DEC, "video_input"},
     { "audio_input",  "audio input",              OFFSET(audio_input),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 6,    DEC, "audio_input"},
     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "audio_input"},
     { "embedded",      NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "audio_input"},
     { "aes_ebu",       NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "audio_input"},
     { "analog",        NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0,    DEC, "audio_input"},
     { "analog_xlr",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0,    DEC, "audio_input"},
     { "analog_rca",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0,    DEC, "audio_input"},
     { "microphone",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0,    DEC, "audio_input"},

     { "audio_pts",     "audio pts source",   OFFSET(audio_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_AUDIO    }, 1, 4, DEC, "pts_source"},
     { "video_pts",     "video pts source",   OFFSET(video_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_VIDEO    }, 1, 4, DEC, "pts_source"},
     { "audio",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_AUDIO    }, 0, 0, DEC, "pts_source"},
     { "video",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_VIDEO    }, 0, 0, DEC, "pts_source"},
     { "reference",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_REFERENCE}, 0, 0, DEC, "pts_source"},
     { "wallclock",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_WALLCLOCK}, 0, 0, DEC, "pts_source"},

     { "draw_bars",     "draw bars on signal loss" , OFFSET(draw_bars),    AV_OPT_TYPE_BOOL,  { .i64 = 1}, 0, 1, DEC },

     { NULL },
 };
 
 static const AVClass decklink_demuxer_class = {
     .class_name = "Blackmagic DeckLink demuxer",
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
     .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
 };
 
 AVInputFormat ff_decklink_demuxer = {
     .name           = "decklink",
     .long_name      = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink input"),
     .flags          = AVFMT_NOFILE | AVFMT_RAWPICTURE,
     .priv_class     = &decklink_demuxer_class,
     .priv_data_size = sizeof(struct decklink_cctx),
     .read_header   = ff_decklink_read_header,
     .read_packet   = ff_decklink_read_packet,
     .read_close    = ff_decklink_read_close,
 };